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4276009 = 6616469
BaseRepresentation
bin10000010011111100101001
322001020120201
4100103330221
52043313014
6231352201
751226333
oct20237451
98036521
104276009
1124606a1
121522661
13b693aa
147d4453
15596e74
hex413f29

4276009 has 4 divisors (see below), whose sum is σ = 4283140. Its totient is φ = 4268880.

The previous prime is 4276001. The next prime is 4276031. The reversal of 4276009 is 9006724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 2650384 = 1275^2 + 1628^2 .

It is a cyclic number.

It is not a de Polignac number, because 4276009 - 23 = 4276001 is a prime.

It is a Duffinian number.

4276009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4276001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2574 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (1070785).

Almost surely, 24276009 is an apocalyptic number.

It is an amenable number.

4276009 is a deficient number, since it is larger than the sum of its proper divisors (7131).

4276009 is an equidigital number, since it uses as much as digits as its factorization.

4276009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4276009 is about 2067.8513002631. The cubic root of 4276009 is about 162.3103459990.

The spelling of 4276009 in words is "four million, two hundred seventy-six thousand, nine".

Divisors: 1 661 6469 4276009